GSM /GPRS Module
M10 EVB User Guide
M10_EVB_User_Guide Confidential / Released 13 / 31
3.2. Audio Interface
Figure 5: Audio interface
Table 2: Pins of audio channel 2
Table 3: Pins of audio channel 1
Channel 2 for Negative microphone input
Channel 2 for Positive receiver output
Channel 2 for Positive microphone input
Channel 1for Negative microphone input
Channel 1for Negative receiver output
Channel 1Positive receiver output
Channel 1Positive microphone input
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